Thanks to all who responded to my “survey”!
It pretty much turned out the way I thought it would but I was slightly surprised how few “heavy hitter” rifles were listed, especially with bears in the mix.
Forrest ( Capt. F)
I think the constraint requiring the gun be one we currently own played a role in this. The only rifles I own that are suitable for anything other than small game are chambered in .30-30 and .308. Hence my choice of .308.
I will say that after seeing @Bill Bates brilliant observation (relieving me of the need to be “sportsmanlike”) I’d trade my Remington 870 for my Mossberg 500 and ditch most of my 12 gauge ammo in favor of 10 slugs and a boatload more .22.